Answer:
Step-by-step explanation:
Eli
Do this with a conversion miles / hour from inches / second
9 inches / second * [3600 seconds/hours]* [1 mile / 5280 feet] * [ 1 foot / 12 in]
9 * 3600
================
5280 * 12
0.5114 miles / hour
Honor
d = 9 miles
t = 2.5 hours
r = 9/2.5
r = 3.5 miles / hour
