The Distance Between Two Asteroids Is $1600 \mathrm {~km}$ How Much Time Does It Take for a Light

Multiple Choice

The distance between two asteroids is $1600 \mathrm {~km}$ . How much time does it take for a light signal to go from one asteroid to the other? $\left( c = 3.0 \times 10 ^ { 8 } \mathrm {~m} / \mathrm { s } \right)$

A) $5.3 \mathrm {~ms}$
B) $19 \mathrm {~ms}$
C) $4.5 \mathrm {~ms}$
D) $19 \mu \mathrm { s }$
E) $13 \mathrm {~ms}$