Touchpad speed can be changed in "/etc/X11/xorg.conf.d/60-libinput.conf", add the line:
Option "AccelSpeed" "0.80"
You could run Vlc with "-V x11" switch to enable acceleration:
vlc -V x11 video.mp4
Option "AccelSpeed" "0.80"
You could run Vlc with "-V x11" switch to enable acceleration:
vlc -V x11 video.mp4