Maintaining An Aluminum Boat An Aluminum Rod Conducts 9.5 Cal/s From A Heat Source Maintained At 255 C To A Large Body Of Water At 21 C?

An aluminum rod conducts 9.5 cal/s from a heat source maintained at 255 C to a large body of water at 21 C? - maintaining an aluminum boat

What is the speed with which increases the entropy in this process?