I uploaded the revision, but people are still downloading the first version. I thought the red and yellow sign on the download page pointing to the new version would be enough.
The new link is
http://we.tl/M88emt5L4F
The revision includes a new picture of the tail wreckage, and I've been able to understand the physics there better. It has two new illustrations to show the dymamics of the last two bounces. There is also a short discussion about why the ALPA got it so wrong.