My Notes Ask Your Teacher An athlete swims the length of a pool in a time t, and makes the return trip to the starting position in a time (a) If she is swimming Initially in the positive x-direction, determine her average velocities symbolically in (a) the first half of the swim, (b) the second half of the swim, and (c) the round trip. Assume that time ts is from the other end of the pool to the starting point. Use any variable or symbol stated above as necessary. Indicate the direction with the sign of your answer.) first half – second half round trip Vevo (b) What is her average speed for the round trip? average speed – Need Help? Submit Answer