Answer

R Rational Reasoning {MAINS Assessment The second time you watched the re play you noticed that the time clock read 5 seconds when Usain passed the 43 meter mark of the race and 9 seconds when Usain passed the 93 meter mark of the race. fllIllH 102030405060708090 Click here to watch Usain Bolt run. e. Be sure to play the animation, this will help you visualize the change in distance and change in time described above. f. How far did Usain travel as he ran from the 43 meter mark of the race to the 93 meter mark of the race? Usain runs lso v meters. This is a measure of his change in distance travelwmeasured in meters). 3_ Preview i g. How long did it take Usain to rim from 43 meters to 93 meters from the starting line? It takes Usain ill:lv seconds to cover this distance. This is a measure of the chan ge in time (measured in seconds) as Usain ran from 43 to 93 meters -om the starting hie. Preview ' h. Usains's top speed was : meters per second. Preview ' 'lkryagain Consider the following: many seconds does it take Usain to run this distance? 1 can you use this "change in distance traveled" and "change in time elapsed" to compute Usajn's.top speed (in-yards per Since Usain continued at his top speed (determined in part (h) above) from the 43 meter mark to the end of the race, how far (in meters) didUsainnm over any 2 second time interval aer reaching his top speed