You can override the module attributes to customize your simulation even more.
Select the stateMachine or clipReader module from the module list (depending on what you did when setting up your agent group), then press the override button 
next to the "frameRate" attribute.
Customizing your agents
The dialog in the picture will pop up.
Select the first four rows and then type 0.5 in the "Value" field.
Hit enter or press "Set Value".
Rewind your simulation.
If you hit play now, four of your agents will be playing at half speed.
Agent Override GUI
This GUI will always display a row for each agent in your agent group.
If you edit the number of your group agents and had this window open, you will have to press the refresh button to see the right number of agents in the override GUI.
With "Automatic update" any override value in the GUI will be updated on time change.
You can also "Remove" the selected overrides or "Clear" the entire list.
Finally, you can edit the animation for some override values, to do that press the "Keys" button and select one of othe options from the sub menu.
