250 ft/4 seconds = 42.61 mph
The conversion is as follows:
250 ft/4 seconds * 60 sec/min * 60 mins/hour * 1 mile/5280 ft
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75 feet per second; about 50 mph.
250 seconds = 4 minutes and 10 seconds.4 minutes x 60 = 240 seconds+10 seconds = 250 seconds
222.8 feet in 4 seconds.38 x 5280 = 200640 feet per hour200640 / 60 = 3344 feet per minute3344 / 60 = 55.7 feet per second55.7 x 4 = 222.8 feet in 4 seconcs
4 minutes = 240 seconds 250 seconds is longer than that.
250 seconds is larger because 4 minuets = 240 seconds.