( to 6 ) 
■pi poteft format! vd per fcdoremCircuIi autEllipfis, vel pet 
fie<ftorem Hyperbolae, cujus Axis traniverfus minuitur m infini- 
tum, & in eadem ratione augetur numerus n. 
Adeumjam devenimuscafum ubi velocitas corporis minor 
eft ea quae acquiritur cadendo ab infinita diftantia, & ubi />* = 
Jl X~ 
- — : . Et hie fimili ratiocinio ac in priori cafu, invenie- 
b 2 — x 2 
tur ■■■ .-— - ubi neceflc eft ut fit £*majus quam 
%/b L — a L — x l 
a x 
4\ Hinc fi b 2 — a 1 dicatur c\ fit K ■— ; & proinde 
Vf — x L 
JtTku'y 
ha x 
x^c — x l 
c 2 
■<r x z, h ax )h a z. 
Sit jam x = — , & net — = leu = — & 
z 
c z 
■ c 2 — ■ y- ^eric = — * & 2 — c\ quibus valoribus fubftitutis fit 
fj a ^ h a x r 
— j r ^ srrrr • , = — = " = — y. Nam tale ponendum eft 
cVz ‘ — C L XS/Xi — c 2 
iinitium arcus V X, ut fimul cum fluente quantitatis 
h a z ... . . hh 2 ax, , , . _ ^ 
— mcjpiat: undeerit == — \ hy — fedori 
fv'a 1 — c z c\/z z —c l 
\nh 3 z 
cxr = 
5 ?Z. 
mtf-z, 
= ~~ ponendo nc — a. Eft vero — ■= 
Vz z ~c* r Vz 2 ~c* 
\.c*% 
ad —r~; ut n h 2 ad e\ hoc eft in ratione conftanti. Qua- 
v z l — c 
re harum quantitatum Flucntes fiint in eadem ratione, hoc eft 
\n h z z, 
Vc 2 — z 2 
uttiuiii 7 |uaiuaiakuiu I UIvlllWj 1U11L ill WdUWlli ldllvliV| 
Jo ^ 
Fluens quantitatis r h y feu erit ad fluentem quanti- 
C Zf 
siatis ■- ut nV ad c\ Eft a u tern fluens quantitatis 
V Z z — G~ 
