Answer:
[tex]2\:\frac{1}{2}\:or\: 2.5 mph[/tex]
Miles per hour
Step-by-step explanation:
Since you have a rate is given by:
[tex]V_{Average}=\frac{\Delta s}{\Delta t}[/tex]
The unit on the numerator, is miles and on the denominator is hours. This unit rate miles per hour then it is used.
Back to the calculations:
[tex]V_{Average}=\frac{\Delta s}{\Delta t}\Rightarrow V_{Average}=\frac{10-0}{4-0}=2\:\frac{1}{2}\:or\: 2.5 mph\:[/tex]
