The author of the post wrote, referring to the Wall Street Journal, that a Boeing 737 Max plane from Flydubai nosedived at a 39-degree angle during a hijacking attempt. By comparison, the author stated that a normal descent before landing occurs at about a three-degree angle. According to the post, the plane is said to have reached Mach 0.96 during the dive, close to the speed of sound. (translated)