As the ball 'falls' in the artifically gravity due to the centrifugal force, its velocity will be away from the center of the space station and the coriolis force will be in the opposite direction .
(the ball; falls; ) (its velocity; will be; away from the center of the space station and the coriolis force) (its velocity; will be; in the opposite direction)
the ball its velocity its velocity
falls will be will be
away from the center of the space station and the coriolis force
in the opposite direction