Voyager’s orbital hack: 2 viewpoints

Voyager 1 and 2 used multiple gravity assists to visit multiple b planets and leave the solar system, but How? This is an improved and updated version which allows how seeing the event in 2 synchronised frames can assist is understanding that in the inertial frame the components of the space craft and Jupiter’s orbital velocity add together to produce a different magnitude in relation to the sun, compared with the same speed but altered forces which in the fixed Jupiter frame