John bought a new set of tires for his truck that each had a 22 inch diameter, while the old set of tires measured a 17 inch diameter. The speedometer in John's truck was not adjusted for the change in tire sizes. What is John's true speed with the new set of tires given the unadjusted speedometer reads 60 mph? Responses A 77.7 mph77.7 mph B 65 mph65 mph C 46.4 mph46.4 mph D 70.3 mph