diff --git a/src/simulation/Simulation.cpp b/src/simulation/Simulation.cpp
index 3ebd72396..71e569eec 100644
--- a/src/simulation/Simulation.cpp
+++ b/src/simulation/Simulation.cpp
@@ -3092,6 +3092,12 @@ int Simulation::create_part(int p, int x, int y, int tv)
 			case PT_TSNS:
 				parts[i].tmp2 = 2;
 				break;
+			case PT_ACEL:
+				parts[i].ctype = 10;
+				break;
+			case PT_DCEL:
+				parts[i].ctype = 9;
+				break;
 			default:
 				if (t==PT_FIGH)
 				{
diff --git a/src/simulation/elements/ACEL.cpp b/src/simulation/elements/ACEL.cpp
index 8dfad7932..81eeaf345 100644
--- a/src/simulation/elements/ACEL.cpp
+++ b/src/simulation/elements/ACEL.cpp
@@ -62,8 +62,17 @@ int Element_ACEL::update(UPDATE_FUNC_ARGS)
 					continue;
 				if(sim->elements[r&0xFF].Properties & (TYPE_PART | TYPE_LIQUID | TYPE_GAS | TYPE_ENERGY))
 				{
-					parts[r>>8].vx *= 1.1f;
-					parts[r>>8].vy *= 1.1f;
+					if (parts[i].ctype)
+					{
+						int change = parts[i].ctype > 1000 ? 1000 : parts[i].ctype < 0 ? 0 : parts[i].ctype;
+						parts[r>>8].vx *= 1+change/100.0f;
+						parts[r>>8].vy *= 1+change/100.0f;
+					}
+					else
+					{
+						parts[r>>8].vx *= 1.1f;
+						parts[r>>8].vy *= 1.1f;
+					}
 					parts[i].tmp = 1;
 				}
 			}
diff --git a/src/simulation/elements/dcel.cpp b/src/simulation/elements/dcel.cpp
index 07f930b20..294c84008 100644
--- a/src/simulation/elements/dcel.cpp
+++ b/src/simulation/elements/dcel.cpp
@@ -62,8 +62,17 @@ int Element_DCEL::update(UPDATE_FUNC_ARGS)
 					continue;
 				if(sim->elements[r&0xFF].Properties & (TYPE_PART | TYPE_LIQUID | TYPE_GAS | TYPE_ENERGY))
 				{
-					parts[r>>8].vx *= 0.9f;
-					parts[r>>8].vy *= 0.9f;
+					if (parts[i].ctype)
+					{
+						int change = parts[i].ctype > 100 ? 100 : parts[i].ctype < 0 ? 0 : parts[i].ctype;
+						parts[r>>8].vx *= 1-change/100.0f;
+						parts[r>>8].vy *= 1-change/100.0f;
+					}
+					else
+					{
+						parts[r>>8].vx *= 0.9f;
+						parts[r>>8].vy *= 0.9f;
+					}
 					parts[i].tmp = 1;
 				}
 			}