Great little single stroke exercise in 4/4 at 65bpm. When you have completed the rhythmic scale going forwards try going back down the scale as the above video demonstrates.

Notes in order of  play:

1/4 notes, 1/8 notes, 1/8 note triplets, 1/16 notes, quintuplet 1/16 notes, sextuplet 1/16 notes, septuplet 1/16 notes, 1/32 notes, double 1/32 notes.