I disagree with your statment that Pro/E has more features. Even if it really does, usually the identical feature in UG works easier and is more reliable.
UG has a Scenario for Motion module that should allow you to do what you want.
"Wildfires are dangerous, hard to control, and economically catastrophic."
"Fixed in the next release" should replace "Product First" as the PTC slogan.
Ben Loosli
CAD/CAM System Analyst
Ingersoll-Rand