Complex sentence: The acceleration lens was 100 km in diameter and was able to accelerate the ship at 0.01g; the deceleration lens was 300 km in diameter and was able to decelerate the ship at 0.1g.
Split into simpler sentences: The acceleration lens was 100 km in diameter and was able to accelerate the ship at 0.01g. The deceleration lens was 300 km in diameter and was able to decelerate the ship at 0.1g.