Save guides, add subjects and pick up where you left off with your BBC account. The gradient of a velocity-time graph at a particular time gives the acceleration of the object at that time.

Velocity-time graphs ... acceleration. A steep line means high acceleration. A line upwards curving to become steeper means that the vehicle is accelerating at an increasing rate – non-uniform ...

Acceleration ... time graph for a moving object with an initial velocity of u, final velocity of v and acceleration of a. The velocity of the body changes from A to B in the time t at a uniform ...