Impact acceleration too high
I'm doing an impact simulation. The impactor is a 5cm diameter sphere made from steel 4340, moving with velocity 1m/s. The target is a 20cmx20cm plate with thickness 5mm, also made from steel 4340. The probe acceleration is picked at the center of the plate. The peak acceleration values are very strange. They raise up to thousands of G. Could such slow impact make too high peak acceleration?