Velocity-time graphs show how the velocity (or speed) of a moving object changes with time. These graphs also show if the object is moving at a constant speed or accelerating, decelerating ...

Velocity-time graphs show velocity on the vertical axis ... Between 4 and 7 seconds: the object is travelling at a constant velocity of 8 m/s. It travels \(3 \times 8 = 24~m\).