Hill sprints are one of my go to tools for developing acceleration....

They regulate intensity/ limit velocity, emphasize projection and posture, and teach athletes how to direct force horizontally without over cueing or over coaching.
They’re also slightly more concentric
If you want to see exactly how I program hill sprints, along with full speed progressions, cueing strategies, and how I layer them into
fredduncantraining.com/product/speed-…