In still water, the speed of a ship is 40 km/hr. when current is not flowing the ship crosses a boat of speed 22 km/hr moving in the same direction as the ship in 9 sec. After a few hours, the current started flowing with a speed of 5 km/hr and then the ship crossed the same type of boat but moving in the opposite direction with the speed of 14 km/hr. Find the time of crossing with the opposite direction moving boat.