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Another cal for Majin Tantei Nougami Neuro. This time is speed calc.

## Feat

A villain sot his gun and Neuro send it back by flicking.

## Calculation

First picc

Neuro: 574px = 188cm

Neuro's arm: 136px = 44.54cm

Neuro's palm: 16px = 5.24cm

Neuro's finger: 24px = 7.86cm

total length of Neuro's lower part of arm = 44.54 + 5.24 + 7.86 = 57.64cm

Second pic

Yako: 657px = 159cm

Yako's eye: 13px = 3.15cm

Third pic

Judge from the shape of the gun, it should be Smith & Wesson Model 500, which have bullet diameter 12.7 mm

Bullet diameter: 216px = 1.27cm

Yako's eye: 23px = 3.15cm

Screen'height: 381px

I find the distance between Yako and bullet with angular size

Distance for the bullet

Use 2atan(tan(70/2)*(object size in pixels/screen height in pixels)) to get degrees

2atan(tan(70/2)*(216/381)) = 30.0716402 degree

Input degree and size of bullet to calculator. distance = 2.3639cm

Distance for Yako

2atan(tan(70/2)*(23/381)) = 3.27676762 degree

Input degree and size of Yako's eye to calculator. distance = 55.064cm

So, the distance between Yako and the bullet = 55.064 - 2.3639 = 52.7001cm or 0.527001m

According to this, bullet's velocity is 434-632 m/s. I use both values as low-end and high-end

Low-end

TimeFrame = 0.527001 / 434 = 0.00121428801s

High-end

TimeFrame = 0.527001 / 632 = 0.00083386234s

Judge from the scene on feats, Nwuro should move his arm around 135 degrees to make him รn a position like that.

So, Neuro's movement = 2 x Pi x 57.64 x (135/360) = 135.811050415cm or 1.35811050415m

Last, find velocity

Low-end

V = 1.35811050415 / 0.00121428801 = 1118.44 m/s or Mach 3.26 (Supersonic+)

High-end

V = 1.35811050415 / 0.00083386234 = 1628.70 m/s or Mach 4.75 (Supersonic+)

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