or \(= {ms}^{-2}\). A negative gradient shows the rate of 'slowing down' or deceleration. Velocity-time graphs show velocity on the vertical axis. Acceleration is still represented by the gradient.

GCSE; AQA; Using and interpreting graphs - AQA Speed-time and velocity-time graphs. Using graphs is not just about reading off values. In real-life contexts, the intercept, gradient and area ...