Answer :
Average acceleration = (change in speed) / (time for the change) .
Average acceleration = (13.2 - 6) / (6.32) = 7.2 / 6.32 = about 1.139... m/s² .
Average acceleration = (13.2 - 6) / (6.32) = 7.2 / 6.32 = about 1.139... m/s² .