Fall damage when using a riptide trident varies based on time in air instead of height.

In the attached video, it is seen that the fall damage I take when landing after using a riptide trident in the rain varies on how long I have been in the air, not the height fell from or the speed of my fall, which is surely unintentional. I found this out in my bedrock realm in peaceful mode.Minecraft Riptide fall dmg glitch.