A marathon runner completes a 44.855-km course in 2 h, 37 min, and 11 s. There is an uncertainty of 15 m in the distance traveled and uncertainty of 3 s in the elapsed time. Calculate the percent uncertainty in the distance.
Calculate the percent uncertainty in the elapsed time.
What is the average speed in meters per second?
What is the uncertainty in the average speed?
Express your answer in meters per second.