Pairs of markings a set distance apart are made on highways sothat police can de

Pairs of markings a set distance apart are made on highways sothat police can detect drivers exceeding speed limits. Over a fixeddistance the speed R varies inversely with the time T. For oneparticular pair of markings R is 48 MPH when T is 9 seconds. Findthe of the car that travels the given distance in 8 seconds.