The rate of Sam in miles per hour is 10.13.
Based on the relation between the units feet and mile, firstly converting the distance in miles.
5380 feet = 1 mile
So, 63,756 feet = 63,756 ÷ 5380
Performing division to calculate the distance in miles
63, 756 feet = 11.85 miles
Now converting the time in hour. As per the known fact, 60 minutes = 1 hour
So, 70 minutes = 70÷60
70 minutes = 1.17 hours
Now, finding the rate in miles per hour = number of miles ÷ amount of time
Rate in miles per hour = 11.85 ÷ 1.17
Performing division on Right Hand Side of the equation
Rate in miles per hour = 10.13
Thus, the rate is 10.13 miles per hour.
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