In the Reaction 2H₂O₂(aq)→ 2H₂O(l)+ O₂(g),the Initial Concentration of H₂O₂

In the reaction 2H₂O₂(aq) → 2H₂O(l) + O₂(g) ,the initial concentration of H₂O₂ is 0.565 M and,17.0 seconds later,the concentration of H₂O₂ is 0.361 M.What is the average rate of reaction over this time interval?

A) 0.012779 M/s
B) 0.012608 M/s
C) 0.0212 M/s
D) 0.00619 M/s
E) 0.00615 M/s