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Stage 1: the airplane slowly tilts to the side and steep down, to build up additional speed, which is required to invert it. You're looking at the pilot's helmet, which has an ad written on its back.
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Stage 1: the airplane slowly tilts to the side and steep down, to build up additional speed, which is required to invert it. You're looking at the pilot's helmet, which has an ad written on its back.
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