Solve the Problem $\mathrm { I } = 64 \sin 137 \pi \mathrm { t }$

Multiple Choice

Solve the problem.
-A generator produces an alternating current according to the equation $\mathrm { I } = 64 \sin 137 \pi \mathrm { t }$ , where $t$ is time in seconds and I is the current in amperes. What is the smallest time $t$ such that $I = 32$ ?

A) $\frac { 1 } { 548 } \mathrm { sec }$
B) $\frac { 1 } { 274 } \mathrm { sec }$
C) $\frac { 1 } { 822 } \mathrm { sec }$
D) $\frac { 1 } { 411 } \sec$