diff --git a/education/physics/PHYS2210/Unit 1.md b/education/physics/PHYS2210/Unit 1.md
index aaa2972..c893f41 100644
--- a/education/physics/PHYS2210/Unit 1.md	
+++ b/education/physics/PHYS2210/Unit 1.md	
@@ -32,6 +32,7 @@ $$a_{\text{instant}} = a = \frac{dv}{dt} = \frac{d}{dt} \frac{dx}{dt} = \frac{d^
 
 (Actually useful equations)
 $$ t = \frac{v_f - v_i}{a} $$
+$$ a = \frac{v - v_0}{t}
 $$s = v_it + \frac{1}{2}at^2 $$
 | -------------- | ----- |
 | $t_0$          | $t$   |