- 8. Apply initial velocity
 
- go to page 5: IniVel (see Figure 20)
 - select 
 Create - enter Vx=-10
 
- select 
 Area in gen select panel - draw box to select end layer of nodes
 - click Apply
 - click Acen render button (see Figure 21)
 

- Figure 21
 

- Figure 20
 
 Create
 Area in gen select panel
