Meaning of ACCELERATION in English

The rate of change of velocity or speed. Velocity is steady and is measured in distance per time (e.g., feet per second, miles per hour, kilometres per hour). Acceleration keeps increasing and is measured in velocity per time (e.g., feet per second per second or feet per second squared). Also see Lateral acceleration

English dictionary of automotive terms.      Английский словарь автомобильных терминов.