Gassendi, Pierre, De proportione qua gravia decidentia accelerantur, 1646

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            <p type="main">
              <s id="s.000607">
                <pb pagenum="54" xlink:href="028/01/094.jpg"/>
                <emph type="italics"/>
              natus ſit, cùm etiam inſuper, clara, euidentíque demonſtra­
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              tione, eiuſdem ſe falſitatem, impoßibilitatémque oſtendiſſe,
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              tam facilè ſibi, atque inconſuliè perſuaſit: cùm aperta iam,
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              indubitatáque experientiâ conſtet, in naturali grauium deſ­
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              cenſu, æqualibus spatijs, æqualia celeritatis augmenta perpe­
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              tuò acquiri, ſemperque velocitates, emenſaque ab initio mo­
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              tus spatia, in eadem ratione reperiri.
                <emph.end type="italics"/>
              </s>
              <s id="s.000608"> Ad iſta verò vides
                <lb/>
              profectò quid ſit iam promptum reſpondere; cùm
                <lb/>
              tantum abeſt, vt aperta indubitatáque experientia de­
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              finitionem illam vulgarem, aut incrementa velocitatis
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              pro ipſa ſpatiorum ratione ſtabiliat, quin illam potiùs
                <lb/>
              planè euertat, & Galileanum ita confirmet, vt mani­
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              feſtò exinde conſtet incrementa velocitatis acquiri
                <lb/>
              duntaxat æqualia æqualibus temporibus; acquiſita
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              verò, ſeu ſuperata ſpatia eſſe vt ipſorum temporum
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              quadrata. </s>
              <s id="s.000609">Ex quo fit, vt allatis illis antè argumen­
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              tis, quibus permouebar, vt coniicerem percuſſionem,
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              atque idcircò impetum, velocitatémque rei deciden­
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              tis maiorem duplò non haberi, niſi ex altitudine qua­
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              drupla, triplum, niſi ex nonupla, quadruplum, niſi ex
                <lb/>
              ſexdecupla, iſtud iam nouum acceſſerit. </s>
              <s id="s.000610">quatenus ob­
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              ſeruatum eſt duplum ponderis ex vnius diametri alti­
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              tudine elati non efferri ex dupla, ſed ex quadrupla;
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              triplum non ex tripla, ſed ex nonupla; quadruplum
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              non ex quadrupla, ſed ex ſexdecupla duntaxat. </s>
              <s id="s.000611">Sunt
                <lb/>
              autem tibi habendæ gratiæ, qui pro tua ſolertia eò
                <lb/>
              reſpexeris, vnde argumentum adeò cuidens ducere­
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              tur; ipſeque debes ex eo lætari, quòd tametſi expe­
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              rimentum præconceptæ à te opinioni non faueat;
                <lb/>
              conferat nihilominùs ad veritatis illuſtrationem. </s>
            </p>
          </chap>
        </body>
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    </archimedes>
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