How do you convert 32.4 meters per second to miles per hour?
32.4 metres per second will be
Then to get into km divide by 1000 (I'm going through kilometres because I don't understand miles)
To convert km in to miles you add half your km to a quarter of that (or multiply original number by 5/8)
Or you use a conversion calculator.
14.58+58.32 = 72.9 which is close enough