Float
Hold the Jump button in mid air to float
Dash/Speed Thok
Press C1 to quickly thrust forward
Note also that after dashing, the place where you dashed can thrust you away. (that's why you shouldn't use it sticking on a wall. And maybe not spam.)
After getting hit, use it to get
back on track:
To roll into a ball when dashing, do SPIN+JUMP then C1:
(spindash cancel)
Or
Spindash then Jump + C1
That looks like a
Speed Thok
Dash Mode
The longer you run, the faster you are.