Have you ever had to post as EMS standby for a special event like a running race, triathlon, county fair, political rally, or other mass gathering? This is an event that could have clearly benefited from EMS standby – although it would not have been needed (at least for the filmed attempt.
This is also a testament to knowing how to calculate parabolic motion of a projectile.
I also feel compelled to tell you not to try this on your own. Great harm could result.