To run drake-visualizer with the contact force visualization:

$ cd drake-distro
$ ./build/install/bin/drake-visualizer --script ./drake/multibody/rigid_body_plant/visualization/contact_viz.py

To run drake-visualizer with the simulation and real time factor display:

$ cd drake-distro
$ ./build/install/bin/drake-visualizer --script ./drake/multibody/rigid_body_plant/visualization/show_time.py
