physics homework

Question

An object falls freely from rest on a planet where the acceleration due to gravity is 27 m/s2.

After 8.8 s, what will be its speed? Answer in units of m/s.

Answer 1

a = 27 m/s/s; t = 8.8 s

vf = vi + at = 0 + (27)(8.8) = 238 m/s