Long announced and never finished at all, the decision was near to split the animation and make an episode after another. The boat is no longer in this first episode, instead you ride a big modified fire-chair while racing down a railroad track. The animation starts and ends in a tunnel to make a loop out of it and allow to combine it with future episodes.
The models in this video are professional rag-dolls and the action was performed on a closed track, so don’t try this at home, or outside, or elsewhere. No pixels were harmed while making this video. And it must be explicitly said at this point, any similarity to people in the real world are pure coincidence and were not intended, … maybe.
P.S. Sound: dk, it was on SFMlab (always a great place to look for any SFM related resource)