A change in rate of motion or direction?

Velocity is the rate at which the position changes. for an object to have constant velocity, speed and direction must not be changing. A change in velocity can be either a change in how fast something is moving or change in the direction of movement.

increasing transnational kinetic energy. because the transnational kinetic energy formula consists of only two variables, mass and velocity, increasing one of those properties is the only way to increase an object's transnational kinetic energy. increases to mass and velocity, however, do not have the same impact.