Show the math please, I used the equation given to me but my numbers don't seem right for 4.99-5.00/0.05-0.00 I got -0.2

Table 5: Dropped Ball Data Time (s) Ball Position (m) Ball Velocity (m/s) Potential Energy Total Energy (J) J) Kinetic Energy (J) 0.00 5.00 0.05 4.99 0.10 4.96 0.15 4.89 0.20 4.78 0.25 4.69 0.30 4.54 0.35 4.40 0.40 4.22 0.45 4.00 0.50 3.80 0.55 3.50 0.60 3.26 0.65 2.93 0.70 2.60 0.75 2.23 0.80 1.88 0.85 1.46 0.90 1.05 0.95 .58 1.00 0.11