# Speed ramp

Motion / Subject motion and speed / Speed. Checked 2026-10-13.

Speeds up and slows down inside one shot; rhythm and punch.

- Use when: Sport, fashion, energetic social edits.
- Phrase: speed ramp: real time as he jumps, slowing to deep slow motion at the top of the jump, back to real time on the landing
- Page: https://directorchair.ai/motion/speed-ramp
- JSON: https://directorchair.ai/api/motion/speed-ramp.json

## Watch out

- State the trigger: at which moment the speed changes, and back. (vendor; Director Chair field notes on video prompting)

## Prompts

### Seedance 2.5

```
Scene: [your subject] in [your setting].
Shot 1 (0:00 to 0:05): speed ramp: real time as he jumps, slowing to deep slow motion at the top of the jump, back to real time on the landing
```

### Seedance 2.0

```
Scene: [your subject] in [your setting].
Shot 1: speed ramp: real time as he jumps, slowing to deep slow motion at the top of the jump, back to real time on the landing
```

### Kling 3.0

```
[your subject]. Speed ramp: real time as he jumps, slowing to deep slow motion at the top of the jump, back to real time on the landing. The scene is [your setting].
```

### Veo 3.1

```
[your subject] in [your setting]. Speed ramp: real time as he jumps, slowing to deep slow motion at the top of the jump, back to real time on the landing. Framing and subject stay as in the start image.
```

## Goes well with

- Slow motion: https://directorchair.ai/motion/slow-motion

## Source

Director Chair field notes on video prompting

Text CC BY 4.0, Director Chair (directorchair.ai). Reference clips and their card texts belong to their makers.