Sinclair's slowly shuffling his way behind Jack, not at any sort of speed to worry about. He's trying to keep up and succeeding reasonably well, though jogging is probably out of the question.

At the top, he leans back against the wall and holds his hand over the wound on his leg. When he pulls it away, there's blood on it. Well, you know, it's pretty impossible to heal a cut in a bunch of water. He'll need more bandages, whenever they come across them, but he doesn't suspect he's in danger of bleeding out.

While he's leaning, he takes the opportunity to voice one of his many questions. "You're telling me...you can't die?"