To see if things work, Oarstack has re-rendered footage from the Head of the Cam 2013. For each division there are playlists for normal and slow motion, plus another that combines the two. The combined one is the same stuff, just interleaved.

Head of the Cam 2013 Division 1 normal and slow motion
Head of the Cam 2013 Division 1 normal speed
Head of the Cam 2013 Division 1 slow motion

Head of the Cam 2013 Division 2 normal and slow motion
Head of the Cam 2013 Division 2 normal speed
Head of the Cam 2013 Division 2 slow motion

Head of the Cam 2013 Division 3 normal and slow motion
Head of the Cam 2013 Division 3 normal speed
Head of the Cam 2013 Division 3 slow motion

Head of the Cam 2013 Division 4 normal and slow motion
Head of the Cam 2013 Division 4 normal speed
Head of the Cam 2013 Division 4 slow motion