1. If one object has a greater speed than a second object, does the first necessarily have a greater

1. If one object has a greater speed than a
second object, does the first necessarily have a greater acceleration? Explain,
using examples.

2. Compare the acceleration of a motorcycle
that accelerates from 80 km/h to 90 km/h with the acceleration of a bicycle
that accelerates from rest to 10 km/h in the same time.