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Velocity is the measurement of the rate and direction of change in an object's position

ve·loc·i·ty

/vəˈläsədē/Submit

noun

the speed of something in a given direction.

"the velocities of the emitted particles"

(in general use) speed.

"the tank shot backward at an incredible velocity"

synonyms: speed, pace, rate, tempo, momentum, impetus; More

ECONOMICS

the rate at which money changes hands within an economy.

noun: velocity of circulation; plural noun: velocities of circulation

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