Factual error: How is it that when Sly comes out of the freezing, icy water, his hair and clothes are bone dry? I don't know too much about hypothermia, but I would imagine that his fairly thin sweater isn't wind proof. I'm sure by the time the movie ended, he would be suffering from more symptoms of hypothermia other than chattering teeth.
Factual error: The rabbit is making squirrel sounds.
Answer: For one, they fell into snow which would have softened the blow. Also, as common in aviation or even just cases that are meant to contain valuables like money, they are designed to withstand impacts or attempts to break them open.
Quantom X
Wouldn't the bad guys have to spend what could be weeks trying to find the money if the cases were to break open?
Probably yes.
Quantom X
Snow softened the blow? I thought objects went through snow.