Can tmux scroll speed (using a mouse wheel or touch pad) be configured?
Tmux 2.1 sort of broke scrolling (depending on your configuration), forcing me to update my confi
There's a mod for tmux allowing to specify any number of commands for 'mode' keybindings: http://ershov.github.io/tmux/
You could scroll-up or scroll-down several times or do it in a loop or even create a procedure to be executed.
For example:
bind -t emacs-copy WheelUpPane tcl { scroll-up ; scroll-up }