Mr.AircraftEngineer on Instagram: "The plane is in a barrel roll where there is significant g’s due to centripetal acceleration. What is centripetal acceleration? Great question!! Centripetal acceleration is defined as the property of the motion of an object traversing a circular path. Any object that is moving in a circle and has an acceleration vector pointed towards the center of that circle is known as Centripetal acceleration. The water was being accelerated upward with a high velocity. The