The physics major would be the person pointing out that the velocity in which he is traveling would completely obliterate the rubber pool filled with water and probably his organs as well.
UPDATED after about 1 more minute of research. This is a german viral marketing campaign for Microsoft Office 2007. God its so easy to start a viral marketing campaign now a days.
Step 1) Release video of something impossible or unimaginable.
Step 2) Wait for said video to get debunked, thus revealing the marketing campaign behind it.
Step 3) Profit!
Step 4) Idiots continue to search for a video which proves the existence of superman\jesus.
Step 5) Go back to step 2