Complex sentence: Due to the less static nature of the initial air layer it takes longer for the swing to occur, which is why it occurs later in the delivery, this is also why conventional and reverse swing can occur in the same delivery.
Split into simpler sentences: Due to the less static nature of the initial air layer it takes longer for the swing to occur, which is why it occurs later in the delivery. This is why conventional and reverse swing can occur in the same delivery.