I am no story designer and just checked it out out of interest. For whatever reason drawing (using touchpad on my laptop) is super slow (running it in Ubuntu 1

I am no story designer and just checked it out out of interest. For whatever reason drawing (using touchpad on my laptop) is super slow (running it in Ubuntu 16.04) - is it expected and I should be using tablet to draw, or this is some issue with my video drivers or something along these lines?