Possible Clues:

• Like a hoops shot
• Discharged a ball, keeping in front of cannon
• Followed a projectile's path
• Traveled like a tetherball
• A Vatican journalist perhaps made bow?
• Like a lob in tennis
• Parabolic, e.g
• Traveled in a parabola
• Lead lost in amusing play, departs discharged
• Emulated a pendulum