Fairly clean but 48 or even possibly 47 is feasible.

FPS: 60

Time with loads: 2955 frames / 60 = 49.25 seconds

Individual Hole Times: 1.683 + 2.167 + 3.100 + 2.983 + 3.700 + 2.183 + 3.900 + 4.383 + 3.667

Time without loads: 27.767 seconds