Car A accelerates uniformly from rest to 20m/s in 4s. Car B accelerates uniformly from 5m/s to 25m/s in 10s. Which statement about their accelerations is correct?
a) Car B has greater acceleration than Car A
b) Both cars have equal acceleration
c) Car A has greater acceleration than Car B
d) Car A accelerates at 2m/s2 and Car B at 5m/s2