Acceleration close accelerationThe rate of change in speed (or velocity) is measured in metres per second squared. Acceleration = change of velocity ÷ time taken. is the rate of change of velocity. It ...

Speed-time graphs are very useful when describing the movement of an object. This is a velocity time graph of an object moving in a straight line due North. The displacement of this object is the area ...

Forbes contributors publish independent expert analyses and insights. I help people communicate data clearly with graphs. I discussed whether zero needs to be included on all scales in a recent post, ...