Thanks for the further example. My apologies, I should have shown an example, earlier. I’ll post one bellow.
You have the right idea, it is just one object on the spline which will slow down, for example, at rear point. where the green object is.
To be precise here’s an example of what I am doing.
I have a spline which is 5000 units long. I start moving from the beginning(no input from he player, everything happens automatically). At 1000 units, I slow down and move at a lower speed for the next 1000 units. After that I go back to my normal speed.
Now, the first 1000 units need to be covered in 25 seconds. The second 1000 units need to be covered in 30 seconds and then the final portion to be covered in 25 seconds.
At the moment, I am experimenting with another option, Set Custom Time Dilation. It only affects actors, but the player is an actor, so it’s all good.
You can see what I want to achieve, here - Screen capture - cfb83a2de0a9c242cbb602cea149c039 - Gyazo . I hope it is comprehensible. I had to make it this fast in order to fit into the 7 second recording that I had.