Find the Common Ratio R for the Given Infinite Geometric $\frac { 1 } { 3 }$

Multiple Choice

Find the common ratio r for the given infinite geometric sequence.
-A pendulum bob swings 6.0 cm on its first oscillation. On each subsequent oscillation the bob travels $\frac { 1 } { 3 }$ of the previous distance. Find the total distance the bob travels before coming to rest.

A) 13.0 cm
B) 9.0 cm
C) 13.3 cm
D) 12.0 cm