Need asap

part a
how fast, in miles per hour, was izumi running for the first 119 yards? there are 1,760 yards in a mile. show or explain all your work

part b
izumi’s goal is to run a 4-minute mile. if he maintained the same speed for the first quarter mile, how fast, in miles per hour, will he have to run in the final three quarters of a mile to achieve his goal? explain how you calculated your answer