Two speed boats simultaneously sailed out from port A on a 10-km radius towards port B directly opposite of port AThe first boat took the shortest route and reached the destination in 1 hour. The other boat has to pass by port C before proceeding to port B. At what speed will it run in order to arrive at B at the same time with the first boat?

A. 34.5 kph

C. 27.32 kph

B. 35.7 kph

D. 25.32 kph