Does the kinetic energy of a car change more when it accelerates from 21 km/h to 31 km/h or when it accelerates from 31 km/h to 41 km/h?
a) 21 km/h to 31 km/h
b) 31 km/h to 41 km/h
c) The change is the same in both cases
d) It depends on the mass of the car