A signal in a network has a propagation velocity of 1.77x10" m/s and a delay of 4.3 us introduced by each repeater. If the round trip delay for two computers at either end of a link that includes...

Extracted text: A signal in a network has a propagation velocity of 1.77x10" m/s and a delay of 4.3 us introduced by each repeater. If the round trip delay for two computers at either end of a link that includes three repeaters is 52.92 us, calculate the length of this link? Express your answer in kilometers.