I like this. So if the question was "how do you tell which sled dogs are really pulling", your answer would be: you can't, if you're standing on the sled. But i

I like this. So if the question was "how do you tell which sled dogs are really pulling", your answer would be: you can't, if you're standing on the sled. But if you're one of the dogs, it's a lot easier to tell.