How much time does it take for a car to come to rest if it has an initial speed of 22m/s and slows with a deceleration of 6.1 m/s^2

Question

Will my answer be 3.6 m/s^2

Answer 1

Units of time are seconds, minutes, and
hours.

Vf = Vo + a*t = 0.
t = -Vo/a = -22/-6.1 = 3.61 s.