Fireworks are launched at Disney World's Magic Kingdom. The Imagineers want the fireworks to explode 30 m above the castle. The castle is 57 m tall. The Imagineers sync the fireworks to music, and need the firework to explode in 5 seconds. The firework has a mass of 6.80389 kg. How much force is needed to launch the firework to the desired height and explode at the required time. Air resistance is negligible.