A cryogenic rocket has a specific impulse of $455 s$ and characteristic velocity of $2386 \mathrm{~m} / \mathrm{s}$. The value of thrust coefficient for this rocket is
(A) 1.78
(B) 1.73
(C) 1.87
(D) 1.95
A cryogenic rocket has a specific impulse of $455 s$ and characteristic velocity of $2386 \mathrm{~m} / \mathrm{s}$. The value of thrust coefficient for this rocket is
(A) 1.78
(B) 1.73
(C) 1.87
(D) 1.95