#!/bin/bash

currentset="$(xfconf-query -c accessibility -p /MouseKeys/Interval)"

if [ $currentset -eq 200 ]
  then
    xfconf-query -c accessibility -p /MouseKeys/Interval -s 150
fi

if [ $currentset -eq 150 ]
  then
    xfconf-query -c accessibility -p /MouseKeys/Interval -s 200
fi