Velocity vector of a point in a coordinate system.
  DifferencingTimeStep | Time step used in numerical evaluation of derivatives using central differencing. | 
  Point | A point which velocity this vector represents. Can be any VGT point. | 
  ReferenceSystem | A reference (coordinate) system. Can be any VGT system. | 
| Implemented Interface | 
|---|
| IAgCrdn | 
| IAgCrdnTimeProperties | 
| IAgCrdnVector | 





