The objects in the PVD doesn't look like they've had this scaling. Gravity in the scene is 9.81 - which means you're using metres as your distance unit. Yet the box in the scene is 24m long - and similarly the capsules - if this is supposed to be a road with debris(?) it's absolutely huge, and no wonder everything moves in a way that looks like it's in slow motion.
yes, i've stated in that post(where i posted a clip from PVD), that PVD clip is before re-scaling scene to 1u=1m scale.
here's PVD clip with scene rescaled: