Jack was wondering at the sound, when suddenly it felt like he'd hit a brick wall. The whole world just seemed so... Slow. He felt... Slow. 

Jack doesn't like slow.

He actually started feeling nervous, like he was having withdraws, and he fainted for a second as the last bit was used up, almost falling on Violet before catching himself on her shoulder. His stomach went south, and his head was pounding. He leaned on her, breathing heavily and reorienting himself.