Raketa (hydrofoil)

Imagine you are on a boat on the water and you are trying to go really fast but sometimes the boat bounces up and down and the ride is bumpy. Now imagine that the boat has special wings under the water that can lift it up and out of the water, almost like it is flying. This is what a hydrofoil boat, or a raketa, can do.

The wings on the boat are called foils, and they help the boat go faster and smoother by reducing the amount of water it has to push out of the way. When the boat is going fast enough, the foils create a lifting force that raises the hull of the boat out of the water. This means that the boat is not hitting the water with as much force, so it doesn't have to work as hard to move through the water. The result is a smoother and faster ride.

The hydrofoil boat is also more efficient than a regular boat because it has less drag. Drag is what slows objects down when they move through the water or air. The raketa cuts through the water more easily because of the foils, making it faster and more efficient.

In summary, a hydrofoil boat, or raketa, is a special boat that has wings under the water that help it lift out of the water and go faster and smoother. It's like the boat is gliding on top of the water instead of plowing through it like a regular boat. This makes it an efficient and speedy way to travel on water.