Motion: What Is Speed?

The video explains deceleration as a decrease in velocity, using examples like a car stopping, a skier slowing down, and a soccer ball losing speed. It describes deceleration as negative acceleration and illustrates how it can be graphed with a downward line, contrasting it with acceleration, which is graphed with a rising line.

What happens to the velocity of a soccer ball as it loses speed?

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Explain the difference between acceleration and deceleration.

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