Question 911421
1 hour = 60*60 = 3600 seconds


75 miles: 1 hour


75 miles: 3600 seconds


75/3600 miles: 3600/3600 seconds


1/48 mile: 1 second


1 second: 1/48 mile


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1/48 miles = (1/48)*5280 = 110 feet


So you're going 110 ft per second. In other words, the car travels 110 feet in 1 second (and does so each second assuming you maintain the speed of 75 mph).