Use by running any of the following

./update-synclient-settings.sh
bash update-synclient-settings.sh

This script creates a bash script which re-applies your current synclient settings on startup.
The startup script is created in $HOME/.config/apply-synclient-settings.sh.
The startup entry is created in $HOME/.config/autostart/apply-synclient-settings.desktop.

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Edit your synclient settings by using synclient setting=value.
To view all settings and values, run

synclient -l

To set the value of MinSpeed to 0.1 for example, do

synclient MinSpeed=0.1

After completing all changes, run this script to save the settings.