Here are the videos for you to download and analyze using the Logger Pro Jedi Skillz discussed in the previous blog post. You'll need to craft velocity v. time graphs for both videoz.
strings attached video, the glider is interesting until just before it
smacks into the bumper on the right side of the air track.
the No Strings Attached video, the glider doesn't become interesting
until it has started moving to the left of frame, it remains interesting
until it bounces off the other end and gets back to the middle of the
No Strings Attached