It moved from 0 cm to 5 cm at a constant speed of 1 cm/s.
It moved from 5 cm to 0 cm at a constant speed of 4 cm/s.
It moved from 0 cm to 4 cm at a constant speed of 1 cm/s.
It moved from 4 cm to 0 cm at a constant speed of 4 cm/s.
