a)to b)of c)with the square of the time it takes to fall

the a)track  b)distance c)path a body falls is proportionate

a)downside b)down over c)down a slope to show that

bodies fall at the a)same b)equal c)similar apeed,but he did roll balls

a)having proved b)proving c)to prove that all

He did not a)as legend says b)as stories say c)as people say drop cannon balls from the Leaning Tower of Pisa