An Astronaut Stands by the Rim of a Crater on the Moon,where

Multiple Choice

An astronaut stands by the rim of a crater on the Moon,where the acceleration of gravity is 1.62 m/s² and there is no air.To determine the depth of the crater,she drops a rock and measures the time it takes for it to hit the bottom.If the time is 6.3 s,what is the depth of the crater?

A) 10 m
B) 14 m
C) 26 m
D) 32 m
E) 38 m