After careful consideration, using the GDR 2 formula, I have calculated the difficulty to be 9.2!
Overview:
Easy jumps: 0
Medium jumps: 0
Hard jumps: 0
Insane jumps: 1
Crazy jumps: 3
Impossible jumps: 8
Calculated skillset: tight hits/bounce
Formula: (((8*11)+(3*9)+(1*7))*0.75[12J])÷10=9.15 ≈ 9.2