---
url: /api/kiln/physics/variables/LinearVelocity.md
---
[Kiln API](../../../index.md) / [kiln/physics](../index.md) / LinearVelocity

# Variable: LinearVelocity

```ts
const LinearVelocity: Trait<{
  x: number;
  y: number;
  z: number;
}>;
```

Linear velocity in units/second. Physics writes it back each step; write it to set velocity.