For the Following Reaction: BrO₃^- (Aq) + 5 Br^- (Aq) $\rightarrow$

For the following reaction: BrO₃^- (aq) + 5 Br^- (aq) + 6 H₃O⁺ (aq) $\rightarrow$ 3 Br₂ (aq) + 9 H₂O (aq) , the initial rate of formation of Br₂ was found to be 2.4 × 10^-3 mol dm^-3 s^-1. What is the initial rate of formation of H₂O?

A) 2.4 × 10^-3 mol dm^-3 s^-1.
B) 2.16 × 10^-2 mol dm^-3 s^-1
C) 4.8 × 10^-3 mol dm^-3 s^-1.
D) 7.2 × 10^-3 mol dm^-3 s^-1.