Velocity
/vəˈlɑsəti/
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Definition
(noun) A vector quantity that denotes the rate of change of position with respect to time, combining speed with a directional component.
Sentence Examples
The velocity of light is about 186,000 miles per second.
Light travels at a velocity of 186,000 miles per second.
CEFR Practice Quiz
The scientists measured the ____ of the wind during the storm to see how fast it was actually moving today.