A rocket flies toward the earth at $0\mathrm{.}5$c$0\mathrm{.}5$c and the captain shines a laser light beam in the forward direction.

Part A

Which of the following statements about the speed of this light are correct? $($There may be more than one correct answer.$)$

Check all that apply.

An observer on earth measures speed cc for the light.An observer on earth measures speed $1\mathrm{.}5$c$1\mathrm{.}5$c for the light.The captain measures speed cc for the light.The captain measures speed $0\mathrm{.}5$c$0\mathrm{.}5$c for the light.