Aug 05, 2014  Velocity 2X is the sci-fi platformer and shoot ‘em-up in one adventure! This critically acclaimed sequel to Velocity Ultra weaves together two classic game.

. Speed, according to its technical definition, is a scalar quantity that indicates the rate of motion distance per time. Battle of the bulge ww2. Its units are length and time. Put another way, speed is a measure of distance traveled over a certain amount of time. Speed is often described simply as the distance traveled per unit of time. It is how fast an object is moving. Velocity is a vector quantity that indicates displacement, time, and direction.

Unlike speed, velocity measures displacement, a vector quantity indicating the difference between an object's final and initial positions. Speed measures distance, a scalar quantity that measures the total length of an object's path.

Acceleration is defined as a vector quantity that indicates the rate of change of velocity. It has dimensions of length and time over time. Acceleration is often referred to as 'speeding up', but it really measures changes in velocity. Acceleration can be experienced every day in a vehicle. You step on the accelerator and the car speeds up, increasing its velocity.