

X = the distance an object travels  
t = elapsed time to travel distance X  
Vo = velocity at X = 0, t = 0  
V = velocity at end of time and distance traveled  
a = acceleration, assumed to be unchangiing during t  
We define acceleration as  
define Dvelocity ..............Dtime  
Rearrange terms to get page 1 line 1  
We take as axiom  
Define V ave = 1/2 (Vo +V) This is page 2, line 2 

Start with p1,l2.......For V sub in p1,l1  
Rearrange terms to get page 1 line 3  
Take eq p1, l1 and square it  
Factor this line  
Terms in ( ) = x......This is page 1, line 4 