The Average Rate of Disappearance of Ozone in the Reaction $\rightarrow$

The average rate of disappearance of ozone in the reaction 2O₃(g) $\rightarrow$ 3O₂(g) is found to be 9.6 *10^-3 atm over a certain interval of time. What is the rate of appearance of O₂ during this interval?

A) 6.4* 10^-3 atm/time
B) 2.9 *10^-2 atm/time
C) 1.9 * 10^-2 atm/time
D) 1.4 *10^-2 atm/time
E) 9.6* 10^-3 atm/time