25sยฒ/4 => 5K/2
sยฒ/4 + 16Lยฒ => K

=> Lยฒ = 9sยฒ/64 (L = 3, s = 8)

3K/2m
= -12 ร— a_y + 24 ร— a_x
= (-36+96)a/5
= 60as/40

a = K/ms