This is the limiting factor for KEP. If you rely on kinetic energy only, did you know that the terminal velocity for even a 1000 kg object the size of a small refrigerator dropped from space (17000 mph orbit speed) is slowed to less than 200 mph by the atmosphere by the time reaches the surface? When you do the sims using the physics, its harder to make a KE weapon effective than it might seem. (This is also why we are well protected against most meteor threats.)
What about turning it into a “Disney Bomb” for that extra oomph?