I'm literally inert, mate! Whether or not I slow you down is entirely dependent on your ability to carry thirty pounds! Approximately.

[None of this is his fault!! He's just a terrified little robot guy, along for the ride!! The good news is that Nanu seems to be capable of picking up approximately thirty pounds and running for his life, so once that gets going Wheatley will (temporarily) shut up (except for the parts where he is used as a blunt weapon), until they're out of danger.

Once it's clear they've outrun their avian assailants, however, Wheatley is quick to voice his displeasure.]

What did you think you were doing, back there! Letting your animal out and about like that!?