I am currently dong the same thing, if you go to symbolab.com then im pretty sure you'll be helped. ;)
At it's peak the rock is going 0mph the acceleration is .0000038 m/s^2 if on earth
D is the answer
40050 divided by 3.14 is 12754.77707
Answer:
-1.9
Step-by-step explanation:
I rounded it to the tenth
