Question

If a car accelerate at 10m/s for 5 mins what is the is the change in speed

Answer 1

You mean 10 m/s^2 I assume
wow, 1 g for five minutes ? to the moon ?
anyway
5 min = 300 s

v = Vi + a t
v = 0 + 10 (300)
= 3000 meters/second