Revert "Reset player ball's velocity when game starts"

This reverts commit 1c9691ae0721f77fd86840b8c4f06e131a3c498f.
Revert "Revert "Reset player ball's velocity when game starts""

This reverts commit 6b3fb75a793ab25edd0f0ef74af4455f132c96c8.
Revert "test file"

This reverts commit 43cea189f1e87d2c9f535a8c221848f52de74e72.