On the page which displays your current BQM graph, if you click the 'Show Previous Days' link you can pick historial data. This can be useful for showing to your broadband provider if there is a ...

Speed-time graphs show speed on the vertical axis and time on the horizontal axis. The gradient of a speed-time graph represents acceleration because: gradient = \( \frac {\text{change in y}}{\ ...

Velocity-time graphs show velocity on the vertical axis. Acceleration is still represented by the gradient. Key fact The gradient of speed-time and velocity-time graphs represent acceleration.