The velocity of an object is the rate of change of its position with respect to a frame of reference, and is a function of time. Velocity is a physical vector quantity; both magnitude and direction are needed to define it.
simple.wikipedia.org/wiki/Velocity#:~:text=The%20velocity%20of%20an%20object,is%20a%20function%20of%20time.&text=Velocity%20is%20a%20physical%20vector,are%20needed%20to%20define%20it.
explain velocity
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