Problem: VRML export default navigation speed may be too slow or fast
This problem is addressed in ArcGIS 8.1 Service Pack 1. See the Related Information section to download this pack.
When exporting to VRML, ArcScene does not set a speed property. Therefore, the default is used. This may be too fast or slow depending on the extent of data in the scene.
This is a known issue.
Solution or Workaround
Edit the output VRML file and add this:
Adjust the number as necessary.