Anthony has gone on a bike ride that is 3\(\frac{2}{3}\) miles long, each way. The first part of the ride is almost all uphill. It takes him about 75 minutes to travel 3\(\frac{2}{3}\) miles. When he reaches the top of the hill, he takes a 10 minute break, turns around, and returns back to where he started along the same path. His total time from start to finish was 1 hour and 55 minutes. What was his average speed in mph while he was returning to where he started? Write your answer in the box below and express the speed in decimal form up to two decimal places.