A powerful motorcycle accelerates from rest to 28 meters per second in only 4 seconds. What is its average acceleration and how far does it travel in that time?
a) Average acceleration = 7 m/s², distance = 56 meters
b) Average acceleration = 14 m/s², distance = 112 meters
c) Average acceleration = 28 m/s², distance = 28 meters
d) Average acceleration = 4 m/s², distance = 112 meters