Okay, that's one step in the right direction. Accelerator gets back to his feet, frowning. There are a whole lot of things he could say, but it seems pretty clear Donnie doesn't recognize him, so most of them would make him sound crazy and/or like a kidnapper. He thinks a bit on this, then something out of the corner of his eye catches his attention.

Well, it had worked for Last Order and that nun....

He points at a nearby McDonald's over on the street corner. "You hungry?"