Creating Fur/Hair using Grasshopper Silkworm

Hi all, so I’m trying to use Silkworm to create a fur pattern but I’m not having any luck. The first problem that I’m coming up against that I’m unsure of is that the acceleration (Start Speed / End Speed) isn’t working. the print head remains at the same speed along the entire length of the line. any help with this would be super helpful. Thanks!! (40.3 KB)