The acceleration of the car is = 3m/s/s. The calculation of the acceleration is further described below.
Acceleration can be defined as the rate at which the velocity of a moving object changes with respect to time.
a = V2 - V1/t
where V1 ( Initial velocity)= 0m/s
V2 (final velocity)= 45 m/s
t( time ) = 15 secs
a = 45-0/15
a = 45/15
a = 3m/s/s
Therefore, the acceleration of the car is = 3m/s/s
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