Terminal+V*Charnae

I tried to make this one go slower by just making the sides fold in to take in more air resistance. the tape and paper clips did not really do anything but the string kind of holds the sides together. time: 3"2 i think the dot pattern would look like this my average time was 1.25

I tried to make this one go faster by rolling it up and trying to put like "weights" on the bottom. Time: 1"40 i think the dot pattern pattern would look like