Length 65000 metres
Velocity 10000 m/s
Mass of projectile 0.01 kg
Time 13 sec
a 769.2307692
or 78.41292245 G
l=a*t2/2 65000
e=m*v2/2
e 500000
Average power             38,462 Watt
With efficiency 90%
Required electric power             42,735 Watt
Per year, this device can deliver 2425846 Projectiles
or 24.26 Tonnes of product