The formula $T=2 \pi \sqrt{\frac{L}{32}}$ relates the time, $T$, in seconds for a pendulum with the length, $L$, in feet, to make one full swing back and forth. What is the length of a pendulum that makes one full swing in 2.2 seconds? Use 3.14 for $\pi$.
A2 feet
B4 feet
C11 feet
D19 feet
A2 feet
B4 feet
C11 feet
D19 feet