Velocity is a speed and a direction, eg \(12 m\,s^{-1}\) on bearing 055 (55º East of North). The term acceleration can refer to a scalar acceleration or an acceleration vector. So far ...

The only difference between velocity and speed is that velocity has a direction, and so is a vector quantity. Average velocity = \(\frac{\text{displacement}}{\text{time}}\) Displacement is the ...