Another video of the failed test and rocket explosion at the Yasny test site near Orenburg
Another version from Ukrainian OSINT analysts states, that the footage may show the launch of the UR-100N intercontinental ballistic missile with the “Avangard” unit.
Nah, i think it is aerodynamically unstable. Something with the weight balance. I would put 4, 8, 16 fins to stabilize it, until i finally put an overpowered engine because no use.