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The original was posted on /r/ufos by /u/bnrshrnkr on 2024-11-03 01:00:44+00:00.
I just came across this post about an alleged UAP that collided with a semi-truck on 10/31/2024 in Salinas, CA.
Going frame-by-frame, I noticed something interesting.
The object first comes into view in this frame
In the next frame, the object appears sharper and closer to the camera.
In the frame after that, the object is obscured, but it can be seen to be leaving a smoke trail. The beginning of the smoke trail follows roughly the same trajectory established by the previous two frames, but then the object turns sharply down and toward the left side of the frame immediately before it impacts the truck.
This change in trajectory can be seen more clearly in the subsequent frame -- highlighted.
ESTIMATES
The average semi-truck is about 13.5 feet tall. Plugging that in for the height of the truck in the video, we can use the frame where the object is exiting and closest to the vehicle to estimate the size of the object at roughly 0.5 m in diameter.
At that scale, if we measure the apparent size of the object in the first two frames and assume a distance from the camera to the truck of about 20 m, we can use similar triangles to calculate that the object traveled a distance of about 8.28 meters between the first and second frames.
Since it seems that there are 7 frames per real-time second of the video, we can calculate the speed of the object at 182 feet per second or 124 miles per hour
If anybody has the time, I'd be curious to know what g-forces the object would have experienced changing trajectory so sharply at such a speed.
