Respuesta :
Average speed for the trip south was 20 miles/hour.
In this statement average speed with direction is given which can be referred to as "Velocity"
Correct option : D) Velocity
Velocity:
- The velocity of an object is the rate of change of its position with respect to reference frame, and is a function of time.
- It decreases when a moving object changes its direction.
- It is given by:
[tex]\text{ Velocity}=\frac{\text{Displacement}}{\text{Time}}[/tex]
Thus, correct option will be D.
Find more information about Velocity here:
brainly.com/question/4931057