Two packets are transmitted back to back over a three hop network as shown below. The length of each packet is 1K bits. The data rate on the first hop(AB) is 10Mbps. The data rate on the last hop(CD) is 5Mbps. You measure the delayt4??t5? between the end of the receptions of the two packets to be 5ms. The propagation delay over each link is 10 msec. The data rate of the second hop is __________ bps. The overall throughput is _________ bits/sec.

t t 40 time : B bes? 10mbps C D. || tz t42 ts 4