What is Speed?
Speed is defined as the rate of change in position, expressed as distance traveled per unit of time. It is a scalar quantity with dimensions
distance/time. Velocity is a vector quantity, the rate at which an object changes it's position.
The speed calculation formula: Speed = Distance / Time
Speed unit in SI system is meters per second (mps). Other common units are miles per hour (mph) and kilometers per hour (kph). To convert between mph and kph and access the tables, please check mph to kph page.