Furthermore, when an object travels the same distance every second, then the object is said to be moving with constant velocity. This means that the magnitude of the velocity (or speed) and the direction of the velocity both remain constant.

How do you know if velocity is constant?

If you are given a velocity graph and it is horizontal (blue and green lines below), then the velocity is constant. If the graph is anything but horizontal, then the velocity is not constant. If you are given an acceleration function or graph and it is zero (green line below), then the velocity is constant.

Is velocity ever constant?

Velocity, being a vector, has a constant magnitude but a changing direction.