The Combustion of Ethylene Proceeds by the Reaction C₂H₄ (g)

The combustion of ethylene proceeds by the reaction C₂H₄ (g) + 3O₂ (g) →2CO₂ (g) + 2H₂O (g)
When the rate of disappearance of O₂ is 0.28 M s^{- 1}, the rate of appearance of CO₂ is _ _ M s^{- 1}.

A) 0.84
B) 0.42
C) 0.56
D) 0.093
E) 0.19