Slicing with pellet extrusion is quite different from filament. Roughly, it needs to be slow as the volume of plastic we are trying to melt is massive compared to filament hotends.
These numbers are ‘for starters’ to get you familiar with the behavior of pellet extrusion.

Slicing tips:
1. Printing speed = 15-40mm/s
2. everything same speed (perimeter, infill, support, bridges, etc all one speed)
3. lots of priming for the start g-code (around E100 is good)
4. retraction speed = 20-25mm/s
5. turn off : wipe, extra restart
6. if your slicer have : turn on coasting (0.1-1mm range)
7. extrusion width = same as nozzle
8. Flow/Multiplier = 100 but some plastic require less or more. Not one number for all. Can vary from 75-120
9. Retract distance = 1-1.5mm