Added ball velocity
Added ball velocity

MaximeGLegault/StrategyIA,wonwon0/StrategyIA,Gagnon06/StrategyIA,AlexandraMercier/RULEngine,RoboCupULaval/RULEngine,wonwon0/StrategyIA,MaximeGLegault/StrategyIA,RoboCupULaval/StrategyIA,RoboCupULaval/StrategyIA,Gagnon06/StrategyIA,AlexandraMercier/RULEngine,RoboCupULaval/RULEngine