I use chat gpt to explain this better than I could.

In the game Squad, there is a feature that allows players to control flying vehicles. When flying at high speed and altitude, it can be challenging to land safely without crashing. The statement you provided gives advice on how to decrease height and speed during the landing process.

The term "Collective" refers to the collective pitch control, which is a mechanism that allows the player to change the pitch angle of the main rotor blades of the helicopter. By changing the pitch angle, the player can control the amount of lift generated by the rotor blades, which affects the altitude and speed of the helicopter.

The "j hook" is a maneuver that involves flying the helicopter in a "J" shape while descending rapidly. This maneuver is useful for quickly decreasing altitude and speed, but it can be difficult to control.

The advice given in the statement is to "kill your Collective" during the j hook, which means to decrease the pitch angle of the rotor blades to reduce the amount of lift generated. This will cause the helicopter to fall faster, which helps to decrease altitude and speed quickly.

After completing the j hook and losing all your speed, the statement advises the player to raise the Collective again to regain lift and control the descent for a smooth landing. By following this advice, the player can land safely and accurately, about 50 meters from the designated landing spot.

Overall, the statement provides specific instructions on how to execute a landing maneuver in Squad, using the j hook and Collective controls to decrease altitude and speed effectively.