Question 942534
At 8.4 m/s, the first runner will finish the 100 m leg in (100/8.4)sec. Since he has a 0.550 second start, he has (100/8.4)-0.550 sec left to finish. The second runner must run 100 m /((100/8.4)-.550) to tie the first runner. So the second runner must run at 8.81 m/s