The answer will be 3,279 km/hr.
Pedometer is a device used to measure the number of steps covered by a person.
Pedometer sensor = Step count and IMS sensor used.
Peak Speed rate recorded in the pedometer = 91.1 cm/s
1 Km = 100 * 1000 cm
1 hour = 60 * 60 = 3600 sec
Now, 1 cm = 10^-5 km
1 sec = 0.00027777777 hour
speed = 91.1 cm /s = 91.1 * 10^-5 / 0.00027777777 km/hour
speed = 3.279 km/hr
Steve's peak speed rate in km / hr would be 3.279 km/hr
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