In the battle that ensued, the Nemesis attached to the Ark via it's tractor beam and the Decepticons initiated a boarding, and as the two factions battled aboard the Ark, the G-forces of the nearby planet Earth dragged both ships down.
The Nemesis attached to the Ark via it's tractor beam. This was in the battle. This battle ensued. The Decepticons initiated a boarding. This was in the battle. This battle ensued. The G-forces of the nearby planet Earth dragged both ships down. This was in the battle. This battle ensued. The two factions battled aboard the Ark.