On a drive from your home to town, you wish to average 48

Last updated: 7/10/2022

On a drive from your home to town, you wish to average 48 mph. The distance from your home to town is 98 miles. However, at 49 miles (half way), you find you have averaged only 36 mph. What average speed must you maintain in the remaining distance in order to have an overall average speed of 48 mph? Answer in units of mph.