MASS= 20 grams
ACCELERATION= 0.716 m/s2
NET FORCE = 1.432 N

Our car is a piece of cardboard with bottle caps as wheels that are attached on straws. The balloons are attached to a plastic pipe that is on top of the cardboard. The pipe is attached by tape. We blew up the balloons through the pipe, and then let the car go. It went 10.33 meters.