Simple Description

To get faster - an increase in velocity.

Further Detail

Acceleration is an increase or decrease in velocity. If an object is accelerating then either its speed is changing or its direction of movement is changing (for example, it may be driving in a circle).

Related Words:

• Newton's 1st Law
• Newton's 2nd Law
• Velocity
• Speed
• Velocity-time graph
• Resultant force

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