`Spring` looks "more intense" in lower-framerate environments

[not-nullptr]

Describe the bug

in firefox (i.e. because it's slower), springs in svelte can look wildly different ("more intense") when compared to chromium.

2025-04-18.14-15-02.mp4

left is firefox, right is chromium.

Reproduction

https://svelte.dev/tutorial/svelte/springs the svelte tutorial for springs demonstrates the issue well when you set the stiffness to 0.04 and damping to 0.08.

Logs

System Info

System:
    OS: Windows 10 10.0.19045
    CPU: (16) x64 AMD Ryzen 7 5700X 8-Core Processor
    Memory: 18.35 GB / 31.93 GB
  Binaries:
    Node: 23.5.0 - C:\Program Files\nodejs\node.EXE
    npm: 10.9.2 - C:\Program Files\nodejs\npm.CMD
    pnpm: 9.15.1 - ~\AppData\Local\pnpm\pnpm.EXE
    bun: 1.2.2 - ~\.bun\bin\bun.EXE
  Browsers:
    Edge: Chromium (134.0.3124.93)
    Internet Explorer: 11.0.19041.4355

Severity

annoyance

[rChaoz]

For me, it looks like the left one for both browsers, but it does in fact change depending on refresh rate:

Screen.Recording.2025-04-22.002234.mp4