The speed 217 miles per hour using dimensional analysis to convert to feet per minute is; 19096 ft/min
From dimensional analysis, we know that;
1 mile = 5280 feet
1 hour = 60 minutes
Thus;
1 mile/hr = 88 feet/min
Since conversion from mph to ft/min is, 1 mile/hr = 88 feet/min
Then, 217 mile/hr = (217 mile/hr/1 mile/hr) * 88 feet/min
⇒ 19096 ft/min
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