But just for fun, here's a side view of the trajectory so you can see it's a parabola—as it should be. Now let's add some air. When a soccer ball moves through the air, we can model this by ...

“Have you seen these crazy soccer kicks where the ball curves ... just move in a nice parabola. From the top, this would look like a straight and constant speed trajectory.

An earlier version of this story described the trajectory of a ball that is launched and is pulled down by gravity as hyperbolic instead of parabolic. As soccer's World Cup gets set to begin ...

For a typical system, like a kicked soccer ball, a thrown football ... it doesn't hurt anyone to treat projectiles as having a parabolic trajectory. But if you care about micron-or-better ...

When the soccer video game FIFA 14 went on sale ... pace at which an object rises and falls in the shape of a parabola. “The ball moves at its fastest velocity when it comes right off the ...