Complex sentence: As a result, the aircraft started a steep nosedive, with the negative g-force reaching -1, ending in the aircraft crashing with the speed exceeding at a nose-down pitch anggle of more than 50 degrees.
Split into simpler sentences: As a result, the aircraft started a steep nosedive, with the negative g-force reaching -1. The aircraft impacted the earth with the speed exceeding at a nose-down pitch angle of more than 50 degrees.