Assume That the Cities Lie on the Same North-South Line $2 \mathrm { in }$

Multiple Choice

Assume that the cities lie on the same north-south line and that the radius of the earth is 6400 km.
-Suppose the tip of the minute hand of a clock is $2 \mathrm { in }$ . from the center of the clock. Determine the distance traveled by the tip of the minute hand in $3 \frac { 1 } { 2 }$ hours. Give an exact answer.

A) $6 \pi$ in.
B) $12 \pi \mathrm { in }$ .
C) $14 \pi \mathrm { in }$ .
D) $8 \pi \mathrm { in }$ .