Slime Block is as sticky as Honey

Steps to Reproduce:

1. Place a line of Honey blocks;
2. Place a line of Slime blocks next to it;
3. Walk on both.

Observed Results:
The walking speed is the same on both blocks.

Expected Results:
The walking speed is faster on slime blocks, while also being slightly slippery.

Screenshots/Videos attached: Yes (by [Helper] lillybeacon)

Notes: