Quick try of using two different speeds instead of no-speed/slow speed.

git-svn-id: svn+ssh://svn.code.sf.net/p/supertuxkart/code/main/trunk@11806 178a84e3-b1eb-0310-8ba1-8eac791a3b58

src/states_screens/race_gui_base.cpp

@@ -1073,7 +1073,9 @@ void RaceGUIBase::drawPlungerInFace(const AbstractKart *kart, float dt)
             else
             {
                 m_plunger_state = PLUNGER_STATE_NOMOVE;
-                m_plunger_speed = core::vector2df(0,0);
+                m_plunger_speed = 
+                    core::vector2df(0, 0.10f*viewport.getHeight()
+                                       /m_plunger_move_time      );
             }
         }   // has not reach fast moving state            
     }