The craft looked similar to a plane at first, though the maneuver was unlike anything I had seen. It did not obey inertia upon motions.

It almost looked like a jet, roughly 5 miles west of North Andover. Very few clouds. The "craft" making a trajectory of a cowbell or triangle, 3 motions, each corner of the "cowbell" was a speed increase. The third motion is what leads me to believe it was a UFO, fastest moving thing I've ever seen, going seemingly to space at the third motion. First motion could of been overlooked, the second as well, though the third motion to go that speed I feel would have  taken longer to go the distance. So instead of completing a triangle shape with the motion of the trajectory, it went up. The third motion, at that increased speed after the second motion made me realize that I had seen something worth reporting. Thank you.