
Andrew M. answered 09/20/17
Tutor
New to Wyzant
Mathematics - Algebra a Specialty / F.I.T. Grad - B.S. w/Honors
If you are looking for the velocity or speed of the object after 5 seconds:
v = u + at
u = initial velocity = 0
a = acceleration = 9.8 m/s2 or 32 ft/s2
t = time
v = 0 + 9.8(5) = 49 m/sec
v = 0 + 32(5) = 160 ft/sec
Just depends on whether you are looking to work in meters or feet