I was curious so I just timed the jump at the beginning of the song about 15 seconds in. Assuming the jump is about 30cm, and I stopwatched it at 0.3 seconds f

I was curious so I just timed the jump at the beginning of the song about 15 seconds in. Assuming the jump is about 30cm, and I stopwatched it at 0.3 seconds from the apex to the ground, you arrive at an acceleration of 9.6m/s^2 which is basically spot on the acceleration due to gravity.