Acceleration of car is 6 m / s ² .
u = 5 m / s
v = 20 m / s
t = 2.5 seconds
a = ( final velocity - initial velocity ) / time taken
a = ( v - u ) / t
a = ( 20 - 5 ) / 2.5
a = 15 / 2.5
a = 150 / 25
a = 6 m / s ²
Hence , acceleration of car is 6 m / s ² .
To learn more about acceleration kindly check :
https://brainly.com/question/460763
