Given a Constant Carbon Dioxide Production, How Will Changing the Level

Given a constant carbon dioxide production, how will changing the level of V_A affect the PaCO₂?

A) A decrease in $\dot { V }$ _A will decrease PaCO₂.
B) An increase in $\dot { V }$ _A will decrease PaCO₂.
C) An increase in $\dot { V }$ _A will increase PaCO₂.
D) PaCO₂ is unaffected by changes in $\dot { V }$ _A.