Movie 1.

This videos illustrates an example of the drone footage used to estimate turning ability, including acceleration, coefficient of friction and body axis estimates. Footage was collected using a drone (DJI Spark, SZ DJI Technology Co. Ltd) hovering between 20-35m. Drone videos were recorded at 30 fps, (1920 x 1080), using the onboard camera (f/2.6 wide-angle lens, 25 mm focal length, 1/2.3-inch CMOS sensor, 2-axis mechanical gimbal.