Suppose That We Fit a Band Tightly Around the Earth

Multiple Choice

Suppose that we fit a band tightly around the earth at the equator. We wish to raise the band so that it is uniformly supported 7 ft above the earth at the equator. How much extra length would have to be added to the band (not the supports) to do this. ​ ​

A) about 37 ft
B) about 44 ft
C) about 49 ft
D) about 35 ft
E) about 88 ft