When an object changes velocity, it accelerates. Acceleration is the change in velocity per second and is measured in m/s 2. Acceleration is a vector quantity because it has size and direction.

Jam Handy Film. "Get Going" is an educational film that explains acceleration and motion using a mix of animation, real-world ...

Cover the letter you want to find to get the formula you need. 24 m ÷ 2 s = 12 m/s. The car has a speed of 12 m/s. If the initial speed and the final speed of an object are known, then the ...