CHOOSE ANSWER Speed
is a measurement of the rate of change of CHOOSE ANSWER

speed
with respect to time. The speed of an object is the CHOOSE ANSWER
the object travels per unit of CHOOSE ANSWER
. Because the speed of most moving objects is not constant, we frequently calculate the CHOOSE ANSWER
speed of an object as it travels. Average CHOOSE ANSWER
is calculated by CHOOSE ANSWER
the total CHOOSE ANSWER
an object traveled by the total amount of CHOOSE ANSWER
it took the object to travel that distance (s = d/t).