Write a problem that can be solved with the equation r÷6=14

In the diagram below what is the approximate length of the minor arc ab

Fiona races bmx around a circular dirt course. if the radius of the course is 70 meters, what is the total distance fiona covers in two laps of the race? a. about 30,772 meters b. about 15,386 meters c. about 879.2 meters d. about 439.6 meters e. about 219.8 meters23 points hurry

Any is very appreciated! (picture is provided below)not sure how to do this at all won't lie