The New Horizons spacecraft swung by Jupiter to get a boost from the planet's gravity, enabling it to get to Pluto more quickly. To see what would happen if this technique was not used, consider a spacecraft trajectory that is an elliptical orbit around the Sun. The perihelion is at 1 AU (at Earth) and the aphelion is at 30 AU (at Pluto). Calculate how long it would take a spacecraft in this orbit to make the one-way trip from Earth to Pluto. Based on the information in Section 14-9, how much time was saved by using a gravity assist from Jupiter?