Tom i would challenge this. This was shared 4/20 and at 20 knots she is already in gulf of Oman. For most of her trip is she was moving above 20knots so that’s conservative
I caught this last night. Taking off from DC, moved into the atlantic and disappeared. It was a Posieden and VIP aircraft, with a Globemaster behind. ChatGPT said likely someone very senior in it.