Question

Distinguish between speed and velocity.

Answer 1

The short answer is that velocity is the speed with a direction, while speed does not have a direction. Speed is a scalar quantity -- it is the magnitude of the velocity. Speed is measured in units of distance divided by time, e.g. miles per hour, feet per second, meters per second, etc..

Answer 2

The shorter ans is that velocity is the speed with direction while the speed does not have direction. Speed is a scaler quantity - it is the magnitude of velocity