A car with an initial velocity of 25 ms speeds up to 40 ms o

A car with an initial velocity of 25 m/s speeds up to 40 m/s over a period of 15 seconds. The average acceleration of the car is

A car with an initial velocity of 25 m/s speeds up to 40 m/s over a period of 15 seconds. The average acceleration of the car is 1 m/sec/sec.
It changed 15 m/sec in 15 seconds.