44 feet per second = 30 mph
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There are 3,600 seconds in an hour (60 seconds / minute * 60 minutes / hour). There are 5,280 feet in a mile. Therefore to convert feet / second into miles per hour, multiply by 3,600 / 5,280 (0.68) So 88 feet per second is 60 miles per hour. To go the other way (convert from miles per hour to feet per second), divide by 0.68.
You are traveling at 88 feet per second at 60 miles per hour.
Feet per second x 0.68 = mph
80.6666667 feet per second
Well, there are 5280 feet in a mile and 3600 seconds in a hour. So, 5280 feet times 45 miles equals 237600 feet. Then you divide 237600 feet by 3600 seconds, to get 66 feet per second.