You can put this solution on YOUR website! Lets convert miles to meters first as
100 miles * 5280 feet / 1 mile * 12 in / 1 ft * 1m / 39 in. = 162,461.5385 meters
second convert hr to sec as
1hr * 60 min / 1 hr * 60 sec. / 1 min = 3600 sec
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now divide to get
45.1282 m / s