Suppose that you are swimming in a river while a friend watches from the shore. In calm water, you swim at a speed of 1.25 \rm m/s . The river has a...

Suppose that you are swimming in a river while a friend watches from the shore. In calm water, you swim at a speed of 1.25 rm m/s . The river has a current that runs at a speed of 1.00 rm m/s.If you are swimming upstream (i.e., against the current), at what speed does your friend on the shore see you moving?