What is an example of speed?

A. cindy biked westward at 30kh/m

B. A rock is to the left of a flower pot

C. A dog runs an average 8 mph

D. leo lives 2 miles north of Andre

The speed is a scalar quantity which by definition is the distance traveled per unit of time. Unit for speed is: km/h. (how many km the object is moved for one hour) or mph (miles per hour).

From the given option D. A dog runs an average 8 mph. (this means that a dog is moving 8 miles per hour).