Defined as the change in position of an object (displacement) per unit of time. Velocity, unlike speed, takes into account the direction of travel relative to a base point.
v = s/t (where v and s are vectors)
Where (using SI units):
v is the velocity of the body in metres per second (ms^-1)
s is the displacement of the body in metres (m)
t is the time taken to travel from the initial point to the final point in seconds (s)
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