how horrible the empire galactic chicken try conquer beautiful city Z build huge incubator produce million chicken soldier day fence the huge incubator look like polygon plane Oxy n vertex naturally DravDe can not want destroy chicken empire for sure start incubatorDravDe strictly outside incubator territory point Axaya want inside kill chicken work but take lot the problem recently DravDe go roller skate break leg he incubator territory jet airplane LEVAP41LEVAP41 fly speed Vxvyvzv DravDe plane point a fly time air drop DravDe heavy that s fall vertically speed fdown point free fall DravDe open parachute moment starts fall wind speed Uxuyuzu land unfortunately DravDe is not good mathematic would help poor world saviour find air dropping plan allow land incubator territory if answer unique DravDe want find plan minimum time flight plane if answer multiple want find minimum time free fall opening parachute