Refer to the Reaction for Which the Following Data Were $\rightarrow$

refer to the reaction for which the following data were obtained.
2 NO(g) + Br₂(g) $\rightarrow$ 2 NOBr(g)

-If these data were obtained by watching the rate at which NO disappears, what would be the initial instantaneous rate of disappearance of Br₂ in Trial 1?

A) 0.30 M/s
B) 0.60 M/s
C) 1.2 M/s
D) 2.4 M/s
E) 4.8 M/s